Accessing Hash Elements

Square brackets or the fetch method may be used to retrieve certain components inside the hash. Below is the Ruby program to access the hash elements:

Ruby
hash = { "a" => 1, "b" => 2, "c" => 3 }

puts hash["b"] # Output: 2
puts hash.fetch("c") # Output: 3

Output
2
3

How to Parse Hash in Ruby?

Parsing a hash in Ruby entails gaining access to its keys and values, iterating over them, and carrying out any necessary actions. The article focuses on discussing the ways to parse a hash in Ruby.

Table of Content

  • Iterating through a Hash
  • Accessing Hash Elements
  • Sorting a Hash

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Iterating through a Hash

A hash may be iterated over using a variety of techniques, such as each, each_key, each_value, or map. Below is the Ruby program to iterate through a hash:...

Accessing Hash Elements

Square brackets or the fetch method may be used to retrieve certain components inside the hash. Below is the Ruby program to access the hash elements:...

Sorting a Hash

The sort_by method allows you to sort a hash according to keys or values. Below is the Ruby program to sort a hash:...

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